'use strict';

const { test, given } = require('sazerac');
const { latest, slice, rangeStart } = require('./version');
const includePre = true;

describe('Version helpers', function () {
  test(latest, () => {
    // semver-compatible versions.
    given(['1.0.0', '1.0.2', '1.0.1']).expect('1.0.2');
    given(['1.0.0', '2.0.0', '3.0.0']).expect('3.0.0');
    given(['0.0.1', '0.0.10', '0.0.2', '0.0.20']).expect('0.0.20');

    // "not-quite-valid" semver versions
    given(['1.0.00', '1.0.02', '1.0.01']).expect('1.0.02');
    given(['1.0.05', '2.0.05', '3.0.05']).expect('3.0.05');
    given(['0.0.01', '0.0.010', '0.0.02', '0.0.020']).expect('0.0.020');

    // Mixed style versions. - include pre-releases
    given(['1.0.0', 'v1.0.2', 'r1.0.1', 'release-2.0.0', 'v1.0.1-alpha.1'], { pre: includePre }).expect('release-2.0.0');
    given(['1.0.0', 'v2.0.0', 'r1.0.1', 'release-1.0.3', 'v1.0.1-alpha.1'], { pre: includePre }).expect('v2.0.0');
    given(['2.0.0', 'v1.0.3', 'r1.0.1', 'release-1.0.3', 'v1.0.1-alpha.1'], { pre: includePre }).expect('2.0.0');
    given(['1.0.0', 'v1.0.2', 'r2.0.0', 'release-1.0.3', 'v1.0.1-alpha.1'], { pre: includePre }).expect('r2.0.0');
    given(['1.0.0', 'v1.0.2', 'r2.0.0', 'release-1.0.3', 'v2.0.1-alpha.1'], { pre: includePre }).expect('v2.0.1-alpha.1');

    // Versions with 'v' prefix.
    given(['v1.0.0', 'v1.0.2', 'v1.0.1']).expect('v1.0.2');
    given(['v1.0.0', 'v3.0.0', 'v2.0.0']).expect('v3.0.0');

    // Simple (2 number) versions.
    given(['0.1', '0.3', '0.2']).expect('0.3');
    given(['0.1', '0.5', '0.12', '0.21']).expect('0.21');
    given(['1.0', '2.0', '3.0']).expect('3.0');

    // Simple (one-number) versions
    given(['2', '10', '1']).expect('10');

    // Include pre-releases
    given(['v1.0.1-alpha.2', 'v1.0.1-alpha.1', 'v1.0.1-beta.3', 'v1.0.1-beta.1', 'v1.0.1-RC.1', 'v1.0.1-RC.2', 'v1.0.0'], { pre: includePre }).expect('v1.0.1-RC.2');
    given(['v1.0.1-alpha.2', 'v1.0.1-alpha.1', 'v1.0.1-beta.3', 'v1.0.1-beta.1', 'v1.0.1-RC.1', 'v1.0.1-RC.2','v1.0.1'], { pre: includePre }).expect('v1.0.1');
    // Exclude pre-releases
    given(['v1.0.1-alpha.2', 'v1.0.1-alpha.1', 'v1.0.1-beta.3', 'v1.0.1-beta.1', 'v1.0.1-RC.1', 'v1.0.1-RC.2', 'v1.0.0']).expect('v1.0.0');
    given(['v1.0.1-alpha.2', 'v1.0.1-alpha.1', 'v1.0.1-beta.3', 'v1.0.1-beta.1', 'v1.0.1-RC.1', 'v1.0.1-RC.2','v1.0.1']).expect('v1.0.1');

    // Versions with 'release-' prefix
    given(['release-1.0.0', 'release-1.0.2', 'release-1.0.20', 'release-1.0.3']).expect('release-1.0.20');

    // Semver mixed with non semver versions
    given(['1.0.0', '1.0.2', '1.1', '1.0', 'notaversion2', '12bcde4']).expect('1.1');
  });

  test(slice, () => {
    given('2.4.7', 'major').expect('2');
    given('2.4.7', 'minor').expect('2.4');
    given('2.4.7', 'patch').expect('2.4.7');
    given('02.4.7', 'major').expect('2');
    given('2.04.7', 'minor').expect('2.4');
    given('2.4.07', 'patch').expect('2.4.7');
    given('2.4.7-alpha.1', 'major').expect('2-alpha.1');
    given('2.4.7-alpha.1', 'minor').expect('2.4-alpha.1');
    given('2.4.7-alpha.1', 'patch').expect('2.4.7-alpha.1');
  });

  test(rangeStart, () => {
    given('^2.4.7').expect('2.4.7');
  });
});